Sectoral factsheets for climate change

United Nations 2 years ago

The world is warming faster than at any point in recorded history. This is radically changing the Earth’s climate and releasing a wave of extreme weather, including wildfires, hurricanes, floods and droughts. But humanity can still avoid the worst impacts of this climate crisis. To do that, the Earth’s temperature must be prevented from rising to more than 1.5 °C above pre-industrial levels. The only way to avoid catastrophic climate change is to rapidly slash our emissions of planet-warming greenhouse gases, including carbon dioxide. These emissions, which come largely from burning fossil fuels, have continued to rise in recent decades despite a raft of international accords, including the Paris Agreement. To keep the 1.5°C temperature target alive, the world needs to cut 2030 emissions by 42 per cent. This must be done in tandem with climate adaptation. National Adaptation Plans in particular, are crucial for ensuring climate resilience is built into each of the sectors. By 2025, every country must commit to new National Determined Contributions (NDCs), these NDCs must cover all emissions and sectors. Global ambition in the next round of NDCs must bring global greenhouse gas emissions in 2035 to levels consistent with the 1.5°C pathway. Explore these factsheets to learn how.
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layersDaily Sustainability Digest

Published about 7 hours ago



The UK’s retrofit gap remains the defining issue for sustainable construction. The National Retrofit Hub’s call for a stronger national retrofit system exposes persistent weaknesses in standards, skills, finance and policy stability. Treating retrofit as national infrastructure would support whole life carbon reduction, improve building lifecycle performance and strengthen environmental sustainability in construction across the existing building stock.

Nesta’s finding that electricity bills are rising more slowly than gas could sharpen the business case for low carbon design. Heat pumps, electric vehicles and fabric-first upgrades become more attractive when assessed through life cycle cost rather than upfront capital alone. Developers, landlords and retrofit providers can position electrification as a route to energy-efficient buildings, lower exposure to fossil-fuel volatility and progress towards net zero carbon buildings.

Climate adaptation is now a core test of sustainable building design. Planting, shading, passive cooling, urban greening and green infrastructure are becoming essential responses to overheating risk, particularly for lower-income households. Eco-design for buildings must address summer resilience as well as winter efficiency, linking sustainable design with health, comfort and long-term carbon footprint reduction.

Major infrastructure remains the sector’s most difficult contradiction. Renewed uncertainty over Heathrow expansion raises questions about the carbon footprint of construction, embodied carbon in materials and the credibility of net zero whole life carbon policy. Large projects need robust whole life carbon assessment, lifecycle assessment and transparent sustainable material specification, supported by environmental product declarations (EPDs), low embodied carbon materials and circular economy in construction principles. Sustainable construction has the techniques; consistent governance is still missing.

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